Home / 2,750.13-4,125.38-1,106.67

Finding the Fourth Proportional to 2,750.13, 4,125.38 and 1,106.67

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Solution

The fourth proportional to 2,750.13, 4,125.38 and 1,106.67 is: 1,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.13 : 4,125.38 = 1,106.67 : x
  2. Step 2: Convert to fraction form
    2,750.13/4,125.38 = 1,106.67/x
  3. Step 3: Cross multiply
    2,750.13x = 4,125.38 × 1,106.67
  4. Step 4: Simplify right side
    2,750.13x = 4,565,428.75
  5. Step 5: Solve for x
    x = 4,565,428.75/2,750.13
  6. Step 6: Final answer
    x = 1,660.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.